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H38

H38 - Brand code not match

Panasonic · Aquarea Heat Pumps

What does H38 mean?

This error indicates that the brand codes of the indoor and outdoor units do not match. This typically signifies an incompatibility or incorrect pairing during installation.

Common Causes

  • Indoor and outdoor units are from different brands or incompatible models
  • Incorrect brand code setting in the control system

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Note the H38 error code displayed on the control panel.

  2. 2

    Turn off the power supply to the Panasonic Aquarea Heat Pump at the main circuit breaker. Wait for at least 5 minutes, then restore power.

  3. 3

    If the H38 error code reappears, contact an authorized Panasonic service technician. This issue requires verifying unit compatibility and system configuration.

Browse all codes in this manual (77)
Verified technical data. Last updated: April 2026

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Source: Panasonic Aquarea Heat Pumps
Open Manual (Page 157)Search more codes in this manual